The circle on top of an i is called a dot. That is why you hear teachers talk about dotting i's.
another name for a half circle is semi-circle
The name of a squashed circle is an oval
circumference
What is the name for one third of a circle
Surface tension.
We call it a circle.
It is a semi-circle
semi circle
an O another name for a circle is an O and a spherical
A circle
circle
round circle